When I attempt to access QuickBooks in multi-user mode, I am seriously experiencing QuickBooks error H202 . This error code takes place due to the server jammed. I don't have much experience to sort out this error code, so I am into a big trouble. I am not able to find out the main reasons of QuickBooks error H202. I am also experiencing this error code, while I am not able to open a company file located on another computer system. I am applying my all tips to solve this error code, but no results. Can anyone share the smart ways to rectify QuickBooks error H202?